test-driven-development

Guide software development through the Red-Green-Refactor TDD cycle.

Updated Aug 27, 2026

Search Tags:#code quality #testing #tdd #debugging #software development #agile

Ready to run

npx skills add https://github.com/pearjelly/turbooknow --skill test-driven-development-pearjelly

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/pearjelly/turbooknow/tree/main/.agent/skills/test-driven-development
Command: npx skills add https://github.com/pearjelly/turbooknow --skill test-driven-development-pearjelly

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enforces a rigorous Test-Driven Development (TDD) process to ensure code quality, prevent regressions, and create well-tested, reliable software.

Core Features & Use Cases

Enforces TDD Cycle: Guides users through the Red-Green-Refactor cycle.
Prevents Anti-Patterns: Identifies and discourages common testing pitfalls.
Use Case: When starting a new feature, use this Skill to write your failing test first, then implement the minimal code to pass, and finally refactor.

Quick Start

Follow the test-driven development process by writing a failing test before any implementation code.

Frequently Asked Questions about test-driven-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I start test-driven development for a new software feature?▼

Start test-driven development by writing a failing test before any implementation code. Follow the Red-Green-Refactor cycle: write a failing test, implement minimal code to pass it, then refactor.

What are common testing anti-patterns in TDD and how do I avoid them?▼

Common testing anti-patterns in TDD include skipping the failing test phase or writing excessive code before testing. This Skill identifies and discourages these pitfalls to ensure code quality and prevent regressions.

When should I use the Red-Green-Refactor cycle in agile development?▼

Use the Red-Green-Refactor cycle in agile development whenever adding a new feature or fixing a bug. It enforces writing tests first, ensuring reliable software and preventing future regressions during code changes.

Does test-driven development help with debugging and preventing code regressions?▼

Yes, test-driven development helps with debugging and preventing code regressions. By enforcing a rigorous testing process before implementation, it ensures code quality and creates a reliable safety net for future refactoring.

Can I use TDD methodology for refactoring existing software code?▼

You can use the TDD methodology for refactoring existing software code by ensuring tests cover current behavior first. The Red-Green-Refactor cycle guides safe modifications while maintaining code quality and preventing regressions.